Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Donna Gerard Marder LCSW, PC

Organization Clinical Social Worker · NPI 1457403024

Donna Gerard Marder LCSW, PC is a Clinical Social Worker in Croton on Hudson, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2224 Quaker Ridge Rd
Croton on Hudson, NY 10520
Phone: (914) 271-4514
Fax: (413) 337-4307
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSWPR008633 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence NYR008633 (NY)

Record details

NPI number1457403024
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donna Marder — Owner/President · (914) 271-4514
NPI enumeratedJanuary 17, 2007
Last updated in NPPESJune 3, 2009
Mailing address2224 Quaker Ridge Rd, Croton-On-Hudson, NY 10520

Other providers in Croton on Hudson